rantav

A few show tricks to find slow queries in mongodb

Enable profiling

First, you have to enable profiling

> db.setProfilingLevel(1)

Now let it run for a while. It collects the slow queries ( > 100ms) into a capped collections, so queries go in and if it's full, old queries go out, so don't be surprised that it's a moving target...

kylelemons

package main

import (
	"fmt"
	"log"
	"math/rand"
	"time"
)

type Snapshot struct {

ismasan

// Copyright (c) 2017 Ismael Celis

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in all

stickfigure

package com.example;

import com.google.inject.Injector;
import org.jboss.resteasy.plugins.guice.ModuleProcessor;
import org.jboss.resteasy.plugins.server.servlet.FilterDispatcher;
import org.jboss.resteasy.spi.Registry;
import org.jboss.resteasy.spi.ResteasyProviderFactory;
import javax.inject.Inject;
import javax.inject.Singleton;
import javax.servlet.FilterConfig;

sfalquier

import kafka.producer._
import kafka.utils._
import java.util._
import java.text._
import java.util.concurrent.atomic._

class KafkaPartitioner(props: VerifiableProperties = null) extends Partitioner {
  
  val counter = new AtomicInteger(0)
  val batch = new AtomicInteger(0)

darkyen

1 	"Once you have their money, you never give it back." 	"The Nagus" (DS9 episode)
2 	"The best deal is the one that makes the most profit." 	The 34th Rule (DS9 novel)
3 	"Never spend more for an acquisition than you have to." 	"The Maquis, Part II" (DS9 episode)
4 	"A woman wearing clothes is like a man in the kitchen." 	The Ferengi Rules of Acquisition (DS9 novel)
5 	"Always exaggerate your estimates." 	Cold Fusion (SCE novel)
6 	"Never let family stand in the way of opportunity." 	"The Nagus" (DS9 episode)
7 	"Always keep your ears open." 	"In the Hands of the Prophets" (DS9 episode)
8 	"Small print leads to large risk." 	The Ferengi Rules of Acquisition (DS9 novel)
9 	"Instinct, plus opportunity, equals profit." 	"The Storyteller" (DS9 episode)
10 	"Greed is eternal." 	"Prophet Motive" (VOY episode)

joemaffia

Uninstall a bundle (use http://localhost:4505/system/console/bundles to access the Apache Felix web console)
        curl -u admin:admin -daction=uninstall http://localhost:4505/system/console/bundles/"name of bundle"

Install a bundle
        curl -u admin:admin -F action=install -F bundlestartlevel=20 -F 
        bundlefile=@"name of jar.jar" http://localhost:4505/system/console/bundles

Build a bundle
        curl -u admin:admin -F bundleHome=/apps/centrica/bundles/name of bundle -F 
        descriptor=/apps/centrica/bundles/com.centrica.cq.wcm.core-bundle/name_of_bundle.bnd 

jimrok

package test_mqtt;

import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.FileReader;
import java.security.KeyPair;
import java.security.KeyStore;
import java.security.Security;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;

fntlnz

Create Root CA (Done once)

Create Root Key

Attention: this is the key used to sign the certificate requests, anyone holding this can sign certificates on your behalf. So keep it in a safe place!

openssl genrsa -des3 -out rootCA.key 4096

peterhellberg

package main

import (
	"flag"
	"fmt"
	"os"
	"os/signal"

	evdev "github.com/gvalkov/golang-evdev"
	screen "github.com/nathany/bobblehat/sense/screen"